Baader Planetarium

• Winged straylight-shield/ eyeglassprotector: Excellent stray light shield against side illumination, fast fold down of winged shield
• For Hyperion 68°&/Aspheric-eyepieces 31/36 mm - fits diam. 42 to 43 mm, 1.5mm min., clear-cut!
• Material: high quality silicone - non-aging, no chemical softeners, non smelling, not getting brittle over time

• For double mounting plates (#2451559)
• As well as self-constructions
• Incl. screws

NEW VERSION: Steeldrive II motor focuser with Controller

Steeldrive I for Classic Steeltracks is not produced anymore. On this product page you can inform yourself about the Steeldrive I for classic Steeltrack focusers and download the corresponding software.

More details about Steeldrive II

• Filter Frame for D-ERF Filter, Diameter 75 - 180 mm
• No serial production - every filter frame will be adapted to your needs and professionally produced on our in-house 3D-printer (70-160 mm) or are CNC machined Aluminium (180 mm)
• Filter frame offers complete safe and firm hold for the delicate D-ERF energy reflection filters
• Only available in combination with Solar Spectrum H-alpha Filters and D-ERF Filters

• M68 changer for Zeiss adapter system
• Hardened steel - no impressions in the mating surfaces of the dovetail may occur even with the greatest burden

• Temperature sensor to compensate the drift automatically, if there are large temperature differences
• Flat design, ideal to be attached to the optical tube
• Temperature sensor with phone connector and 1m cable, also supports control of dew-shield-heating
• Can be used with the Steeldrive II Motor Unit or Steeldrive II Controller

• Baader SLOAN-ugriz' Bandpass Filter Set, suitable from f/15 to f/1.8
• SLOAN/SDSS (ugriz’) photometric filters with transmission according to SLOAN-specification
• Manufactured with most advanced ion beam coating technology / Daylight-Proof
• Reflex-Blocker™ hard coated and planeoptically polished – with sealed coating edges (Life-Coat™)
• Blackened edges all around, with filter-lead-side-indicator in the form of a telescope-sided black outer rim
• Equally suitable for modern CMOS cameras as well as for older CCD camera technologies

• Baader M55a / M68a (Zeiss) adapter for all Baader 2" mirror and prism star diagonals, for direct connection to the M68 Zeiss thread
• With this adapter you can convert your Baader 2" Diagonal on both sides to M68 thread connection. To do so, remove the 2" nosepiece or ClickLock^® and the M55/2"/S58 ring from the housing of the star diagonal and screw in the M55/M68 Adaper instead.
• To remove the black 2 "SC / S58 threaded ring from the housing and expose the M55 thread, you will need the Adjustable pin type face wrench ø 2mm (#2450062 , € 17,-)
• Suitable for the following 2" mirrors/prisms (already included in the delivery of Baader 2" ClickLock Diagonal Mirror M68 thread (Zeiss) (#2956100Z , € 309,-) ):
  • Baader 2" ClickLock Diagonal Mirror (#2956100 , € 296,-)
  • Baader 2" BBHS ® Mirror Diagonal with 2" ClickLock Clamp (#2456115 , € 479,-)
  • Baader 2" BBHS ® Prism Star Diagonal Prism with 2" ClickLock Clamp (#2456117 , € 505,-)

• Baader Wide-T-Ring to connect Minolta DSLR cameras on the Astro T-2 system
• All Baader Wide-T-rings have an S52 dovetail in addition to the inserted T-2 ring to use adapters to M48, M68 or the UFC filter changer
• The illumination of the camera chips improved significantly, mainly because of the larger clear aperture.
• On the camera side: Minolta AF Bayonet
• Telescope side: S52 dovetail clamp incl. S52/T-2 internal thread with 0.75mm pitch

• Alike the TZ-3 telecentric, also the RG 0.4x Telecompressor features 46mm clear aperture throughout, perfectly suitable even for large SolarSpectrum RG46 Research Grade H-alpha Filters
• Working distance: 74mm (Distance to the camera sensor), optimized for videography and full solar disc imaging. Ø 16 mm corrected image field in conjunction with the TZ-3
• mounts straight onto the body of the SolarSpectrum filter and reduces f/30 f/ratio back to f/10, thanks to the factor of 0.4
• 2" male threads on both sides, fitting the SolarSpectrum Universal Flange Adapter #2958240 (included as standard on both sides of the SolarSpectrum H-alpha filters)
• The RG 0.4x Telecompressor serves to adjust the focal length in order to improve poor seeing conditions and / or to enlarge the field of view for photographic- or lucky imaging applications

• Projection dome for the Baader Planetarium, sizes 2.5m and 3.5m diameter
• Geometrically correc half-globe, consiting of 8 segments of each 45° made of fiberglass reinforced polyester.
• Inner color matte white, outer color grey

• to change M68 female into 2inch UNFi female thread
• Telescope-side M68 outer thread, eyepiece-sided 2" UNFI inner thread

• the BMP levelling flange with 20° tilt for GM 3000 is used to extend the adjustability of the pole height by 20°. Thus, the mount can also be used in proximity to the equator.
• Consisting of two solid Steel, separated by six steel bars
• Top plate precision milled flat and threaded to fit the base plate.
• Height 80 until 130 mm
• Suitable as a pillar adapter flange to the

• Single filter (unstacked!), shows finest solar details in calcium K (Cak) lightFor solar photography only in combination with enclosed AstroSolar photo film ND3.8 or an Herschel prism (sold seperately: Baader Safety CoolCeramic Herschel Prism 2" Photographic (#2956510P , € 645,-) )
• Enhanced contrast matched to quantum efficiency and s/n ratio of typical CMOS cameras.
• Reflex-Blocker™ coatings, for maximum immunity to retro-reflection from nearest auxiliary optics, even under the most adverse conditions
• Identical filter thickness to existing standards, with utmost care for homofocality
• Reflex-Blocker™ hard coated and planeoptically polished – with sealed coating edges (Life-Coat™)
• Blackened edges all around, with filter-lead-side-indicator in the form of a telescope-sided black outer rim
• Supplied with AstroSolar photo film ND 3.8, size: 200 x 290 mm - for pre-filtering sunlight
• The calcium filter Gen-II must NOT be used in the light path WITHOUT pre-filtering.
• Visual observation is not possible with the calcium filter, as the eye is practically blind in this part of the spectrum. Never point the telescope directly at the sun with only the calcium filter (without an additional attenuation filter).

• Guidescope rings BP II (2 pc)
• With 6 large handknobs with screw and ball bearing tips
• For tube diameter 110 - 160mm

• Baader UFC S70 / C11/C9.25 Hyperstar, SC, HD Adapter
• telescope-sided C11/C9.25 Hyperstar, SC and EdgeHD Adapter
• camera-sided with S70 dovetail
• can be adapted via the S70 dovetail to the UFC filter base #2459110 as well as to UFC extensions
• Please note the below description on Hyperstar Adaptation

• Safe solar observation and photography with all spotting scopes, amateur telescopes and camera lenses
• AstroSolar Safety Film OD 5.0, mounted stress free in high-quality cell
• Scope of supply: ASSF Filter (Apertures 50 to 100mm) come with three centering bolts of 13mm diameter and 24 mm height, adjustable to the tube diameter of your binocular. ASSF 115 and 130 packages come with three centering bolts of 10mm diameter and 38mm length. In addition three safety straps with glue-pads and 32-page mounting instructions.

• Seperate Set of EQ-clamps to mount at the bottom side of the Baader-Stronghold
• Allows the Stronghold to be fixed onto an existing EQ-dovetail bar, while holding on top another EQ-dovetail bar
• Can in addition to the 1x included EQ-clamp of the Strongold Tangent Assembly be mounted on the underside of the Stronghold
• The Stronghold is characterized on an EQ (V) rail are fixed while above an EQ (V) rail terminals